From 6db633bde1dc5f89f7c8b434dc95dc225672b277 Mon Sep 17 00:00:00 2001
From: Damjan Marion <damarion@cisco.com>
Date: Mon, 19 Apr 2021 21:44:21 +0200
Subject: vppinfra: momve clib_sysfs_list_to_bitmap to sysfs.c

Type: refactor
Change-Id: Ia5a7ebd5c8492326f5bf2f1264f1c5ef38ccb4dc
Signed-off-by: Damjan Marion <damarion@cisco.com>
---
 src/vppinfra/linux/sysfs.c | 27 +++++++++++++++++++++++++++
 src/vppinfra/linux/sysfs.h |  2 ++
 2 files changed, 29 insertions(+)

(limited to 'src/vppinfra/linux')

diff --git a/src/vppinfra/linux/sysfs.c b/src/vppinfra/linux/sysfs.c
index 1157e4fe655..758eaa1a86c 100644
--- a/src/vppinfra/linux/sysfs.c
+++ b/src/vppinfra/linux/sysfs.c
@@ -16,6 +16,7 @@
 #include <vppinfra/clib.h>
 #include <vppinfra/clib_error.h>
 #include <vppinfra/format.h>
+#include <vppinfra/bitmap.h>
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -262,6 +263,32 @@ clib_sysfs_prealloc_hugepages (int numa_node, int log2_page_size, int nr)
   return clib_sysfs_set_nr_hugepages (numa_node, log2_page_size, n + needed);
 }
 
+__clib_export uword *
+clib_sysfs_list_to_bitmap (char *filename)
+{
+  FILE *fp;
+  uword *r = 0;
+
+  fp = fopen (filename, "r");
+
+  if (fp != NULL)
+    {
+      u8 *buffer = 0;
+      vec_validate (buffer, 256 - 1);
+      if (fgets ((char *) buffer, 256, fp))
+	{
+	  unformat_input_t in;
+	  unformat_init_string (&in, (char *) buffer,
+				strlen ((char *) buffer));
+	  if (unformat (&in, "%U", unformat_bitmap_list, &r) != 1)
+	    clib_warning ("unformat_bitmap_list failed");
+	  unformat_free (&in);
+	}
+      vec_free (buffer);
+      fclose (fp);
+    }
+  return r;
+}
 
 /*
  * fd.io coding-style-patch-verification: ON
diff --git a/src/vppinfra/linux/sysfs.h b/src/vppinfra/linux/sysfs.h
index 5f5eec2d07a..9cbc34823dd 100644
--- a/src/vppinfra/linux/sysfs.h
+++ b/src/vppinfra/linux/sysfs.h
@@ -35,6 +35,8 @@ clib_error_t *clib_sysfs_get_surplus_hugepages (int numa_node,
 clib_error_t *clib_sysfs_prealloc_hugepages (int numa_node,
 					     int log2_page_size, int nr);
 
+uword *clib_sysfs_list_to_bitmap (char *filename);
+
 #endif /* included_linux_sysfs_h */
 
 /*
-- 
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